package com.rising.threads.volatiles;

/**
 * @Author: rising
 * @Description:
 * @Date: create in 2020/12/27 11:02
 */
public class VolatileTest {
    public static volatile int race = 0;
    synchronized public static void increase() {
        race++;
    }

    private static final int THREAD_COUNT = 20;

    public static void main(String[] args) {
        Thread[] threads = new Thread[THREAD_COUNT];
        for (int i = 0; i < THREAD_COUNT; i++) {
            threads[i] = new Thread(new Runnable() {
                @Override
                public void run() {
                    for (int j = 0; j < 10000; j++) {
                        increase();
                    }
                }
            });
            threads[i].start();
        }
        while (Thread.activeCount() > 2) {
            Thread.yield();
        }
        System.out.println(race);
    }
}
